Dictionary

1instantly

adverb in·stant·ly \ˈin(t)-stənt-lē\

: without delay

Full Definition of INSTANTLY

1
:  with importunity :  urgently
2
:  without the least delay :  immediately
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First Known Use of INSTANTLY

15th century

2instantly

conjunction

Definition of INSTANTLY

:  as soon as <he ran across the grass instantly he perceived his mother — W. M. Thackeray>

First Known Use of INSTANTLY

1793

Related to INSTANTLY

Synonyms
as soon as, immediately [chiefly British], when, once
INSTANTLY Defined for Kids

instantly

adverb in·stant·ly \ˈin-stənt-lē\

Definition of INSTANTLY for Kids

:  without delay :  immediately

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